WorksheetsScience Topics
Total questions: 5
Worksheet time: 3mins
Name
Class
Date
1.
What is the process by which plants convert light energy into chemical energy?
a)
Photosynthesis
b)
Chloroplast
c)
Respiration
d)
Hydrolysis
2.
What is the flow of electric charge called?
a)
electric flow
b)
charge stream
c)
power wave
d)
electric current
3.
In which type of reaction do two or more substances combine to form a new compound?
a)
Combustion reaction
b)
Synthesis reaction
c)
Decomposition reaction
d)
Single displacement reaction
4.
What are the three main layers of the Earth?
a)
crust, mantle, core
b)
mantle, crust, inner core
c)
crust, core, atmosphere
d)
lithosphere, asthenosphere, outer core
5.
Which layer of the Earth is the hottest and made up of solid iron and nickel?
a)
Mantle
b)
Outer core
c)
Crust
d)
Inner core
100 %
